<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        .taiji {
            width: 400px;
            height: 400px;
            border-radius: 50%;
            position: relative;
            overflow: hidden;
            outline: solid;
        }

        .taiji>div:first-child {
            width: 50%;
            height: 100%;
            background-color: black;
            position: absolute;
            left: 0;
        }

        .taiji>div:nth-child(2) {
            width: 50%;
            height: 100%;
            background-color: white;
            position: absolute;
            right: 0;
        }

        .taiji>div:nth-child(3) {
            width: 200px;
            height: 200px;
            background-color: black;
            position: absolute;
            left: 25%;
            border-radius: 50%;
        }

        .taiji>div:nth-child(4) {
            width: 200px;
            height: 200px;
            background-color: white;
            position: absolute;
            left: 25%;
            bottom: 0;
            border-radius: 50%;
        }

        .taiji>div:nth-child(5) {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: white;
            position: absolute;
            left: 45%;
            top: 20%;
        }

        .taiji>div:nth-child(6) {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background-color: black;
            position: absolute;
            left: 45%;
            bottom: 20%;
        }

        @keyframes taiji {
            from {
                transform: rotate(0);
                ;
            }

            to {
                transform: rotate(360deg);
            }
        }

        .taiji {
            animation: taiji 5s infinite linear;
        }
        
    </style>
</head>

<body>
    <div class="taiji">
        <div class="left"></div>
        <div class="right"></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
    </div>
</body>

</html>